Man pages matching name panedwindow in section 3tk:

PanedWindow.3tk.zh_CN	debian 10 / manpages-zh
PanedWindow.3tk.zh_TW	debian 10 / manpages-zh
panedwindow.3tk.en	debian 10 / tk8.6-doc
PanedWindow.3tk.zh_CN	debian 11 / manpages-zh
PanedWindow.3tk.zh_TW	debian 11 / manpages-zh
panedwindow.3tk.en	debian 11 / tk8.6-doc
PanedWindow.3tk.zh_CN	debian 12 / manpages-zh
PanedWindow.3tk.zh_TW	debian 12 / manpages-zh
panedwindow.3tk.en	debian 12 / tk8.6-doc